13118360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 31903200

約数和(自身を除く): 18784840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 421, 760, 779, 820, 842, 1558, 1640, 1684, 2105, 3116, 3368, 3895, 4210, 6232, 7790, 7999, 8420, 15580, 15998, 16840, 17261, 31160, 31996, 34522, 39995, 63992, 69044, 79990, 86305, 138088, 159980, 172610, 319960, 327959, 345220, 655918, 690440, 1311836, 1639795, 2623672, 3279590, 6559180, 13118360]

約数ペア:

[(1, 13118360), (2, 6559180), (4, 3279590), (5, 2623672), (8, 1639795), (10, 1311836), (19, 690440), (20, 655918), (38, 345220), (40, 327959), (41, 319960), (76, 172610), (82, 159980), (95, 138088), (152, 86305), (164, 79990), (190, 69044), (205, 63992), (328, 39995), (380, 34522), (410, 31996), (421, 31160), (760, 17261), (779, 16840), (820, 15998), (842, 15580), (1558, 8420), (1640, 7999), (1684, 7790), (2105, 6232), (3116, 4210), (3368, 3895)]